extern.h revision 1.49
1 /* $NetBSD: extern.h,v 1.49 2003/08/07 09:46:38 agc Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)extern.h 8.2 (Berkeley) 4/4/94 32 */ 33 34 /*- 35 * Copyright (c) 1997-2001 The NetBSD Foundation, Inc. 36 * All rights reserved. 37 * 38 * This code is derived from software contributed to The NetBSD Foundation 39 * by Luke Mewburn. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * This product includes software developed by the NetBSD 52 * Foundation, Inc. and its contributors. 53 * 4. Neither the name of The NetBSD Foundation nor the names of its 54 * contributors may be used to endorse or promote products derived 55 * from this software without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 58 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 59 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 60 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 61 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 62 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 63 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 64 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 65 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 66 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 67 * POSSIBILITY OF SUCH DAMAGE. 68 */ 69 70 /* 71 * Copyright (C) 1997 and 1998 WIDE Project. 72 * All rights reserved. 73 * 74 * Redistribution and use in source and binary forms, with or without 75 * modification, are permitted provided that the following conditions 76 * are met: 77 * 1. Redistributions of source code must retain the above copyright 78 * notice, this list of conditions and the following disclaimer. 79 * 2. Redistributions in binary form must reproduce the above copyright 80 * notice, this list of conditions and the following disclaimer in the 81 * documentation and/or other materials provided with the distribution. 82 * 3. Neither the name of the project nor the names of its contributors 83 * may be used to endorse or promote products derived from this software 84 * without specific prior written permission. 85 * 86 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 87 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 88 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 89 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 90 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 91 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 92 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 93 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 94 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 95 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 96 * SUCH DAMAGE. 97 */ 98 99 #ifdef NO_LONG_LONG 100 # define LLF "%ld" 101 # define LLFP(x) "%" x "ld" 102 # define LLT long 103 # define ULLF "%lu" 104 # define ULLFP(x) "%" x "lu" 105 # define ULLT unsigned long 106 # define STRTOLL(x,y,z) strtol(x,y,z) 107 # define LLTMIN LONG_MIN 108 # define LLTMAX LONG_MAX 109 #else 110 # define LLF "%lld" 111 # define LLFP(x) "%" x "lld" 112 # define LLT long long 113 # define ULLF "%llu" 114 # define ULLFP(x) "%" x "llu" 115 # define ULLT unsigned long long 116 # define STRTOLL(x,y,z) strtoll(x,y,z) 117 # define LLTMIN LLONG_MIN 118 # define LLTMAX LLONG_MAX 119 #endif 120 121 #define FTP_BUFLEN 512 122 123 void abor(void); 124 void blkfree(char **); 125 void closedataconn(FILE *); 126 char *conffilename(const char *); 127 char **copyblk(char **); 128 void count_users(void); 129 void cprintf(FILE *, const char *, ...) 130 __attribute__((__format__(__printf__, 2, 3))); 131 void cwd(const char *); 132 FILE *dataconn(const char *, off_t, const char *); 133 void delete(const char *); 134 int display_file(const char *, int); 135 char **do_conversion(const char *); 136 void dologout(int); 137 void fatal(const char *); 138 void feat(void); 139 void format_path(char *, const char *); 140 int ftpd_pclose(FILE *); 141 FILE *ftpd_popen(char *[], const char *, int); 142 char *getline(char *, int, FILE *); 143 void init_curclass(void); 144 void logxfer(const char *, off_t, const char *, const char *, 145 const struct timeval *, const char *); 146 struct tab *lookup(struct tab *, const char *); 147 void makedir(const char *); 148 void mlsd(const char *); 149 void mlst(const char *); 150 void opts(const char *); 151 void parse_conf(const char *); 152 void pass(const char *); 153 void passive(void); 154 int lpsvproto2af(int); 155 int af2lpsvproto(int); 156 int epsvproto2af(int); 157 int af2epsvproto(int); 158 void long_passive(char *, int); 159 int extended_port(const char *); 160 void epsv_protounsupp(const char *); 161 void perror_reply(int, const char *); 162 void pwd(void); 163 void removedir(const char *); 164 void renamecmd(const char *, const char *); 165 char *renamefrom(const char *); 166 void reply(int, const char *, ...) 167 __attribute__((__format__(__printf__, 2, 3))); 168 void retrieve(char *[], const char *); 169 void send_file_list(const char *); 170 void show_chdir_messages(int); 171 void sizecmd(const char *); 172 void statcmd(void); 173 void statfilecmd(const char *); 174 void statxfer(void); 175 void store(const char *, const char *, int); 176 void user(const char *); 177 char *xstrdup(const char *); 178 void yyerror(char *); 179 180 #ifdef SUPPORT_UTMP 181 struct utmp; 182 183 void ftpd_logwtmp(const char *, const char *, const char *); 184 void ftpd_login(const struct utmp *ut); 185 int ftpd_logout(const char *line); 186 #endif 187 188 #ifdef SUPPORT_UTMPX 189 struct utmpx; 190 191 void ftpd_loginx(const struct utmpx *); 192 void ftpd_logwtmpx(const char *, const char *, const char *, int, int); 193 #endif 194 195 #include <netinet/in.h> 196 197 #if defined(__NetBSD__) 198 # define HAVE_SETPROCTITLE 1 199 # define HAVE_SOCKADDR_SA_LEN 1 200 #endif 201 202 struct sockinet { 203 union sockunion { 204 struct sockaddr_in su_sin; 205 #ifdef INET6 206 struct sockaddr_in6 su_sin6; 207 #endif 208 } si_su; 209 #if !HAVE_SOCKADDR_SA_LEN 210 int si_len; 211 #endif 212 }; 213 214 #if !HAVE_SOCKADDR_SA_LEN 215 # define su_len si_len 216 #else 217 # define su_len si_su.su_sin.sin_len 218 #endif 219 #define su_addr si_su.su_sin.sin_addr 220 #define su_family si_su.su_sin.sin_family 221 #define su_port si_su.su_sin.sin_port 222 #ifdef INET6 223 # define su_6addr si_su.su_sin6.sin6_addr 224 # define su_scope_id si_su.su_sin6.sin6_scope_id 225 #endif 226 227 struct tab { 228 char *name; 229 short token; 230 short state; 231 short flags; /* 1 if command implemented, 2 if has options, 232 4 if can occur OOB */ 233 char *help; 234 char *options; 235 }; 236 237 struct ftpconv { 238 struct ftpconv *next; 239 char *suffix; /* Suffix of requested name */ 240 char *types; /* Valid file types */ 241 char *disable; /* File to disable conversions */ 242 char *command; /* Command to do the conversion */ 243 }; 244 245 typedef enum { 246 CLASS_GUEST, 247 CLASS_CHROOT, 248 CLASS_REAL 249 } class_ft; 250 251 typedef enum { 252 FLAG_checkportcmd = 1<<0, /* Check port commands */ 253 FLAG_denyquick = 1<<1, /* Check ftpusers(5) before PASS */ 254 FLAG_modify = 1<<2, /* Allow CHMOD, DELE, MKD, RMD, RNFR, 255 UMASK */ 256 FLAG_passive = 1<<3, /* Allow PASV mode */ 257 FLAG_private = 1<<4, /* Don't publish class info in STAT */ 258 FLAG_sanenames = 1<<5, /* Restrict names of uploaded files */ 259 FLAG_upload = 1<<6, /* As per modify, but also allow 260 APPE, STOR, STOU */ 261 } classflag_t; 262 263 #define CURCLASS_FLAGS_SET(x) (curclass.flags |= (FLAG_ ## x)) 264 #define CURCLASS_FLAGS_CLR(x) (curclass.flags &= ~(FLAG_ ## x)) 265 #define CURCLASS_FLAGS_ISSET(x) (curclass.flags & (FLAG_ ## x)) 266 267 struct ftpclass { 268 struct sockinet advertise; /* PASV address to advertise as */ 269 char *chroot; /* Directory to chroot(2) to at login */ 270 char *classname; /* Current class */ 271 struct ftpconv *conversions; /* List of conversions */ 272 char *display; /* File to display upon chdir */ 273 char *homedir; /* Directory to chdir(2) to at login */ 274 classflag_t flags; /* Flags; see classflag_t above */ 275 LLT limit; /* Max connections (-1 = unlimited) */ 276 char *limitfile; /* File to display if limit reached */ 277 LLT maxfilesize; /* Maximum file size of uploads */ 278 LLT maxrateget; /* Maximum get transfer rate throttle */ 279 LLT maxrateput; /* Maximum put transfer rate throttle */ 280 LLT maxtimeout; /* Maximum permitted timeout */ 281 char *motd; /* MotD file to display after login */ 282 char *notify; /* Files to notify about upon chdir */ 283 LLT portmin; /* Minumum port for passive mode */ 284 LLT portmax; /* Maximum port for passive mode */ 285 LLT rateget; /* Get (RETR) transfer rate throttle */ 286 LLT rateput; /* Put (STOR) transfer rate throttle */ 287 LLT timeout; /* Default timeout */ 288 class_ft type; /* Class type */ 289 mode_t umask; /* Umask to use */ 290 LLT mmapsize; /* mmap window size */ 291 LLT readsize; /* data read size */ 292 LLT writesize; /* data write size */ 293 LLT sendbufsize; /* SO_SNDBUF size */ 294 LLT sendlowat; /* SO_SNDLOWAT size */ 295 }; 296 297 extern void ftp_loop(void) __attribute__ ((noreturn)); 298 extern void ftp_handle_line(char *); 299 300 #ifndef GLOBAL 301 #define GLOBAL extern 302 #endif 303 304 305 GLOBAL struct sockinet ctrl_addr; 306 GLOBAL struct sockinet data_dest; 307 GLOBAL struct sockinet data_source; 308 GLOBAL struct sockinet his_addr; 309 GLOBAL struct sockinet pasv_addr; 310 GLOBAL int connections; 311 GLOBAL struct ftpclass curclass; 312 GLOBAL int debug; 313 GLOBAL jmp_buf errcatch; 314 GLOBAL char *emailaddr; 315 GLOBAL int form; 316 GLOBAL int gidcount; /* number of entries in gidlist[] */ 317 GLOBAL gid_t *gidlist; 318 GLOBAL int hasyyerrored; 319 GLOBAL char hostname[MAXHOSTNAMELEN+1]; 320 GLOBAL char homedir[MAXPATHLEN]; 321 #ifdef KERBEROS5 322 GLOBAL krb5_context kcontext; 323 #endif 324 GLOBAL int logged_in; 325 GLOBAL int logging; 326 GLOBAL int pdata; /* for passive mode */ 327 #if HAVE_SETPROCTITLE 328 GLOBAL char proctitle[BUFSIZ]; /* initial part of title */ 329 #endif 330 GLOBAL struct passwd *pw; 331 GLOBAL int quietmessages; 332 GLOBAL char remotehost[MAXHOSTNAMELEN+1]; 333 GLOBAL off_t restart_point; 334 GLOBAL char tmpline[FTP_BUFLEN]; 335 GLOBAL sig_atomic_t transflag; 336 GLOBAL int type; 337 GLOBAL int usedefault; /* for data transfers */ 338 GLOBAL const char *version; 339 GLOBAL int is_oob; 340 341 /* total file data bytes */ 342 GLOBAL off_t total_data_in, total_data_out, total_data; 343 /* total number of data files */ 344 GLOBAL off_t total_files_in, total_files_out, total_files; 345 /* total bytes */ 346 GLOBAL off_t total_bytes_in, total_bytes_out, total_bytes; 347 /* total number of xfers */ 348 GLOBAL off_t total_xfers_in, total_xfers_out, total_xfers; 349 350 extern struct tab cmdtab[]; 351 352 #define INTERNAL_LS "/bin/ls" 353 354 355 #define CMD_IMPLEMENTED(x) ((x)->flags != 0) 356 #define CMD_HAS_OPTIONS(x) ((x)->flags & 0x2) 357 #define CMD_OOB(x) ((x)->flags & 0x4) 358 359 #define CPUTC(c, f) do { \ 360 putc(c, f); total_bytes++; total_bytes_out++; \ 361 } while (0); 362 363 #define CURCLASSTYPE curclass.type == CLASS_GUEST ? "GUEST" : \ 364 curclass.type == CLASS_CHROOT ? "CHROOT" : \ 365 curclass.type == CLASS_REAL ? "REAL" : \ 366 "<unknown>" 367 368 #define ISDOTDIR(x) (x[0] == '.' && x[1] == '\0') 369 #define ISDOTDOTDIR(x) (x[0] == '.' && x[1] == '.' && x[2] == '\0') 370 371 #define EMPTYSTR(p) ((p) == NULL || *(p) == '\0') 372 #define NEXTWORD(P, W) do { \ 373 (W) = strsep(&(P), " \t"); \ 374 } while ((W) != NULL && *(W) == '\0') 375 #define PLURAL(s) ((s) == 1 ? "" : "s") 376 #define REASSIGN(X,Y) do { if (X) free(X); (X)=(Y); } while (/*CONSTCOND*/0) 377 378 #ifndef IPPORT_ANONMAX 379 # define IPPORT_ANONMAX 65535 380 #endif 381
Indexes created Wed Sep 24 05:09:52 GMT 2025